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This commit is contained in:
Oleksandr Byelkin
2022-01-25 11:13:39 +01:00
parent 0b116d160a
commit 157e66273b
4 changed files with 223 additions and 4 deletions
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144
mysql-test/suite/perfschema/r/digest_view.result Normal file
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@ -0,0 +1,144 @@
CREATE TABLE test.v1 (a int, b int);
INSERT INTO test.v1 VALUES (1, 100), (2, 200), (3, 300);
CREATE TABLE test.t1 (a int, b int);
INSERT INTO test.t1 VALUES (1, 100), (2, 200), (3, 300);
TRUNCATE TABLE performance_schema.events_statements_summary_by_digest;
EXPLAIN SELECT * from test.v1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE v1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `test`.`v1`.`a` AS `a`,`test`.`v1`.`b` AS `b` from `test`.`v1`
EXPLAIN SELECT * from test.v1 where a = 1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE v1 NULL ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`v1`.`a` AS `a`,`test`.`v1`.`b` AS `b` from `test`.`v1` where (`test`.`v1`.`a` = 1)
EXPLAIN SELECT * from test.v1 where b > 100;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE v1 NULL ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`v1`.`a` AS `a`,`test`.`v1`.`b` AS `b` from `test`.`v1` where (`test`.`v1`.`b` > 100)
EXPLAIN SELECT a, b from test.v1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE v1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `test`.`v1`.`a` AS `a`,`test`.`v1`.`b` AS `b` from `test`.`v1`
EXPLAIN SELECT b, a from test.v1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE v1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `test`.`v1`.`b` AS `b`,`test`.`v1`.`a` AS `a` from `test`.`v1`
SELECT * from test.v1;
a b
1 100
2 200
3 300
SELECT * from test.v1 where a = 1;
a b
1 100
SELECT * from test.v1 where b > 100;
a b
2 200
3 300
SELECT a, b from test.v1;
a b
1 100
2 200
3 300
SELECT b, a from test.v1;
b a
100 1
200 2
300 3
#
# DIGESTS SEEN ON TABLE
#
SELECT SCHEMA_NAME, DIGEST, DIGEST_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
SCHEMA_NAME DIGEST DIGEST_TEXT COUNT_STAR
test faacd4387467f00e5471f3620f0053ee EXPLAIN SELECT * FROM `test` . `v1` 1
test 75f55ccb0b365eefb51cc8f1f1d81132 EXPLAIN SELECT * FROM `test` . `v1` WHERE `a` = ? 1
test f13826a4cdfdfc626f2f338744c9c746 EXPLAIN SELECT * FROM `test` . `v1` WHERE `b` > ? 1
test 4204f1e3809aca8633c27c32603bcf6d EXPLAIN SELECT `a` , `b` FROM `test` . `v1` 1
test fff8925d7c4be86c0c3da7a26c60750e EXPLAIN SELECT `b` , `a` FROM `test` . `v1` 1
test a8465e96fae9df6be0af2b0bcaff9548 SELECT * FROM `test` . `v1` 1
test 90d5479e3ca1cbf7113b3b3abc96f1ff SELECT * FROM `test` . `v1` WHERE `a` = ? 1
test b660099c975325cd338eb80b2849bd61 SELECT * FROM `test` . `v1` WHERE `b` > ? 1
test 9b459b7b8ce957d816066ba4ee0289f9 SELECT `a` , `b` FROM `test` . `v1` 1
test 1c037a199783a415ae1ff2361459f1de SELECT `b` , `a` FROM `test` . `v1` 1
test feaff321c54a9c8e1e9508628f7a5a05 SHOW WARNINGS 5
test d24da32343f2b799f8a7ba1bdc45f83b TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 1
DROP TABLE test.v1;
CREATE VIEW test.v1 AS SELECT * FROM test.t1;
EXPLAIN SELECT * from test.v1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`
EXPLAIN SELECT * from test.v1 where a = 1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (`test`.`t1`.`a` = 1)
EXPLAIN SELECT * from test.v1 where b > 100;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (`test`.`t1`.`b` > 100)
EXPLAIN SELECT a, b from test.v1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`
EXPLAIN SELECT b, a from test.v1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a` from `test`.`t1`
SELECT * from test.v1;
a b
1 100
2 200
3 300
SELECT * from test.v1 where a = 1;
a b
1 100
SELECT * from test.v1 where b > 100;
a b
2 200
3 300
SELECT a, b from test.v1;
a b
1 100
2 200
3 300
SELECT b, a from test.v1;
b a
100 1
200 2
300 3
#
# DIGESTS SEEN ON VIEW
#
SELECT SCHEMA_NAME, DIGEST, DIGEST_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
SCHEMA_NAME DIGEST DIGEST_TEXT COUNT_STAR
test 1462d84ad90aeabc6106da2a5ba38f17 CREATE VIEW `test` . `v1` AS SELECT * FROM `test` . `t1` 1
test c909e770703c59c353ca199dfe4ca154 DROP TABLE `test` . `v1` 1
test faacd4387467f00e5471f3620f0053ee EXPLAIN SELECT * FROM `test` . `v1` 2
test 75f55ccb0b365eefb51cc8f1f1d81132 EXPLAIN SELECT * FROM `test` . `v1` WHERE `a` = ? 2
test f13826a4cdfdfc626f2f338744c9c746 EXPLAIN SELECT * FROM `test` . `v1` WHERE `b` > ? 2
test 4204f1e3809aca8633c27c32603bcf6d EXPLAIN SELECT `a` , `b` FROM `test` . `v1` 2
test fff8925d7c4be86c0c3da7a26c60750e EXPLAIN SELECT `b` , `a` FROM `test` . `v1` 2
test a8465e96fae9df6be0af2b0bcaff9548 SELECT * FROM `test` . `v1` 2
test 90d5479e3ca1cbf7113b3b3abc96f1ff SELECT * FROM `test` . `v1` WHERE `a` = ? 2
test b660099c975325cd338eb80b2849bd61 SELECT * FROM `test` . `v1` WHERE `b` > ? 2
test f26fa367559d55cac36428d5ebd1d511 SELECT SCHEMA_NAME , `DIGEST` , `DIGEST_TEXT` , `COUNT_STAR` FROM `performance_schema` . `events_statements_summary_by_digest` ORDER BY `DIGEST_TEXT` 1
test 9b459b7b8ce957d816066ba4ee0289f9 SELECT `a` , `b` FROM `test` . `v1` 2
test 1c037a199783a415ae1ff2361459f1de SELECT `b` , `a` FROM `test` . `v1` 2
test feaff321c54a9c8e1e9508628f7a5a05 SHOW WARNINGS 10
test d24da32343f2b799f8a7ba1bdc45f83b TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 1
DROP VIEW test.v1;
DROP TABLE test.t1;

76
mysql-test/suite/perfschema/t/digest_view.test Normal file
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@ -0,0 +1,76 @@
# ----------------------------------------------------
# Tests for the performance schema statement Digests.
# ----------------------------------------------------
# Test case to show behavior of statements digest when
# using a view
--source include/not_embedded.inc
--source include/have_perfschema.inc
--source include/no_protocol.inc
CREATE TABLE test.v1 (a int, b int);
INSERT INTO test.v1 VALUES (1, 100), (2, 200), (3, 300);
CREATE TABLE test.t1 (a int, b int);
INSERT INTO test.t1 VALUES (1, 100), (2, 200), (3, 300);
TRUNCATE TABLE performance_schema.events_statements_summary_by_digest;
#
# test.v1 is a table.
# Every query here is different, and should have a different digest.
#
EXPLAIN SELECT * from test.v1;
EXPLAIN SELECT * from test.v1 where a = 1;
EXPLAIN SELECT * from test.v1 where b > 100;
EXPLAIN SELECT a, b from test.v1;
EXPLAIN SELECT b, a from test.v1;
SELECT * from test.v1;
SELECT * from test.v1 where a = 1;
SELECT * from test.v1 where b > 100;
SELECT a, b from test.v1;
SELECT b, a from test.v1;
--echo #
--echo # DIGESTS SEEN ON TABLE
--echo #
SELECT SCHEMA_NAME, DIGEST, DIGEST_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
DROP TABLE test.v1;
CREATE VIEW test.v1 AS SELECT * FROM test.t1;
#
# test.v1 is now a view.
# the query digests should be unchanged.
#
EXPLAIN SELECT * from test.v1;
EXPLAIN SELECT * from test.v1 where a = 1;
EXPLAIN SELECT * from test.v1 where b > 100;
EXPLAIN SELECT a, b from test.v1;
EXPLAIN SELECT b, a from test.v1;
SELECT * from test.v1;
SELECT * from test.v1 where a = 1;
SELECT * from test.v1 where b > 100;
SELECT a, b from test.v1;
SELECT b, a from test.v1;
--echo #
--echo # DIGESTS SEEN ON VIEW
--echo #
SELECT SCHEMA_NAME, DIGEST, DIGEST_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
DROP VIEW test.v1;
DROP TABLE test.t1;

3
storage/perfschema/CMakeLists.txt
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@ -21,8 +21,7 @@
# along with this program; if not, write to the Free Software Foundation, # along with this program; if not, write to the Free Software Foundation,
# 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA # 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR} INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include
${CMAKE_SOURCE_DIR}/include
${CMAKE_SOURCE_DIR}/sql ${CMAKE_SOURCE_DIR}/sql
${CMAKE_BINARY_DIR}/sql ${CMAKE_BINARY_DIR}/sql
${CMAKE_SOURCE_DIR}/regex ${CMAKE_SOURCE_DIR}/regex

4
storage/perfschema/pfs_prepared_stmt.h
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@ -29,8 +29,8 @@
*/ */
#include "pfs_stat.h" #include "pfs_stat.h"
#include "include/mysql/psi/psi.h" #include "mysql/psi/psi.h"
#include "include/mysql/psi/mysql_ps.h" #include "mysql/psi/mysql_ps.h"
#include "pfs_program.h" #include "pfs_program.h"
#define PS_NAME_LENGTH NAME_LEN #define PS_NAME_LENGTH NAME_LEN